Where does “выпускной” come from?

выпускной (Russian) comes from Russian вы́пуск, from Russian вы́-, from Old East Slavic вꙑ-, from Proto-Slavic vy-, from Proto-Balto-Slavic ū́, from Proto-Indo-European úd — out, outward.

выпускной (Russian): exhaust; graduation

Definitions

  1. exhaust; graduation

Ancestry of “выпускной”, step by step

StepLanguageWordMeaning
1Russianвы́пускissue, output
2Russianвы́-out, out from describing an action of moving outside from inside
3Old East Slavicвꙑ-—
4Proto-Slavicvy-out
5Proto-Balto-Slavicū́—
6Proto-Indo-Europeanúdout, outward
Every word from Proto-Indo-European úd →Every word from Russian вы́- →Every word from Proto-Balto-Slavic ū́ →